The Milwaukee 10pc Quick Change Die Grinder Disc Kit is designed for surface preparation applications, delivering rapid grinding in metal, stainless steel, paint, wood, and plastic. With the included sanding, surface conditioning, and paint removal discs this kit is ideal for use in many metalworking, automotive, and general applications. The 24, 36, and 50 grit sanding discs are manufactured with zirconia alumina grain for fast grinding and long life while the polyester backing minimizes vibration. The non-woven design of the Medium and Coarse grade surface conditioning discs allows them to conform to irregular surfaces and resists clogging. Equipped with a ceramic corundum grain, the paint removal disc removes material quickly and dissipates heat through the porous nylon fibers. All components are equipped with quick change threads to be compatible with the included premium backer and 1/4 in. arbor for faster changes. Kit includes (2) 24 Grit Sanding Discs, (2) 36 Grit Sanding Discs, (2) 50 Grit Sanding Discs, (1) Coarse Grade Surface Conditioning Disc, (1) Medium Grade Surface Conditioning Disc, (1) Paint Removal Disc, (1) 1/4 in. Arbor w/ Back Pad.